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Skin Conditioning

COLLOIDAL GOLD

CAS 7440-57-5 Updated
68

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

Suspended gold particles used in luxury skincare for marketing appeal. Inert and generally non-irritating, but gold is a known contact allergen for a small group of users.

Skin benefits

  • Marketed for skin radiance and luxury feel
  • Inert metallic colorant
  • Stable in formulation

Known concerns

  • No proven cosmetic-active mechanism
  • Possible contact allergy (gold dermatitis in some users)
  • High cost with marketing-driven claims

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.